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      1 /*	$NetBSD: apei_hestvar.h,v 1.1 2024/03/20 17:11:43 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2024 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef	_SYS_DEV_ACPI_APEI_HESTVAR_H_
     30 #define	_SYS_DEV_ACPI_APEI_HESTVAR_H_
     31 
     32 #include <sys/queue.h>
     33 #include <sys/callout.h>
     34 
     35 #include <dev/acpi/acpivar.h>
     36 
     37 struct apei_mapreg;
     38 struct apei_softc;
     39 
     40 #if defined(__i386__) || defined(__x86_64__)
     41 struct nmi_handler;
     42 #endif
     43 
     44 /*
     45  * struct apei_source
     46  *
     47  *	Software state for a hardware error source from the HEST,
     48  *	Hardware Error Source Table, to process error notifications.
     49  */
     50 struct apei_source {
     51 	struct apei_softc		*as_sc;
     52 	ACPI_HEST_HEADER		*as_header;
     53 	union {
     54 		struct {
     55 			ACPI_HEST_GENERIC_STATUS	*gesb;
     56 		}			as_ghes;
     57 		struct {
     58 			ACPI_HEST_GENERIC_STATUS	*gesb;
     59 			struct apei_mapreg		*read_ack;
     60 		}			as_ghes_v2;
     61 	};
     62 	union {
     63 		struct callout			as_ch;
     64 #if defined(__i386__) || defined(__x86_64__)
     65 		struct nmi_handler		*as_nmi;
     66 #endif
     67 		SIMPLEQ_ENTRY(apei_source)	as_entry;
     68 	};
     69 };
     70 
     71 /*
     72  * struct apei_hest_softc
     73  *
     74  *	Software state for processing hardware error reports during
     75  *	operation, from the HEST, Hardware Error Source table.
     76  */
     77 struct apei_hest_softc {
     78 	struct apei_source		*hsc_source;
     79 	SIMPLEQ_HEAD(, apei_source)	hsc_hed_list;
     80 };
     81 
     82 void apei_hest_attach(struct apei_softc *);
     83 void apei_hest_detach(struct apei_softc *);
     84 
     85 #endif	/* _SYS_DEV_ACPI_APEI_HESTVAR_H_ */
     86